Combination eraser and pencil-sharpener.



P I R E L Y D I m K R A L c H A COMBINATION EBASER AND PENCIL SHABPENER.

(Application filed Jan. 4, 1900.)

(No Nlodel.)

llrrh ALBERT H. CLARK AND JOHN J. DYLER, OF LOUISVILLE, KENTUCKY.

GOWlBlNATION ERASER AND PENCIL-SHARPENER.

SPECIFICATION forming part of Letters Patent No. 660,072, dated October16, 1900.

Application filed January 4, 1900. Serial No. 406. (N0 model.)

To all whom it may concern:

Be it known that we, ALBERT H. CLARK and JOHN J. DYLER, citizens of theUnited States, residing at Louisville,in the county of Jefferson,Stateof Kentucky,have invented a new and useful Improvement in a CombinationEraser and Pencil-Sharpening Tool, of which the following is a full,clear, and exact description.

Ourinvention relates to an improvement in a combination-tool adapted foruse as an inkeraser, a pencil-eraser, a burnisher, and apencil-sharpener in one device, the object of which improvement is toprovide a convenient article which may be easily carried about theperson for the purpose of sharpening pencils, erasing lead-pencil marks,erasing ink, and burnishing and smoothing the paper after erasure. Thisobject we attain by means of a simple, compact, durable, and economicaltool comprising a combination of elementstcapable of conjoint use forthe purpose intended and so united as to form an article of commerce,all of which is illustrated in the accompanying drawings andspecifically pointed out in the description and claims herewith.

In the annexed drawings similar letters of reference denotecorresponding parts in all the views, in which- Figure 1 is a plan viewof the complete device with the several parts assembled for use as inthe completed tool. Fig. 2 is a plan view of the base 0, showing thegage-bars a u it in position, as hereinafter described. Fig. 3 is atransverse section of Fig. 2 on line 00 at. Fig. 4 shows at the topleft-hand end a crosssection of the burnisher b, hereinafter described,while the lower portion is a side view of the same member. At theright-hand end of said figure the upper view is a crosssection of therubber eraser c. The lower view is a side view thereof. In the centralportion of Fig. i are three views of the inkeraser a, the upper memberof the figure being a cross-section thereof, the middle memher a sideview, and the lower member being a face view of the roughened exteriorsurface or abrading-face. Fig. 5 shows at the top, at the left and righthand ends, respectively, an edge view, a top plan view, and an invertedplan view of the hexiform sharpening-plate d, hereinafter more fullydescribed. The small central portion 6 of the figure shows the top faceof the securing-screw used to secure said cutting-plate d to the base 0,and the lower portion of the figure is a side view of said screw e.

a indicates the ink-eraser, consisting, preferably, of a piece of metalformed as shown.

1) indicates the burnisher for burnishing the paper after erasing theink, and c is the rubber eraser for erasing pencil-marks, all of whichare hereinafter more fully described.

0 represents the main body of the device hereinafter called thefbase-plate.

2' is a socket that is provided at the end of each of the radial armsprojecting from the base-plate r to hold the erasers and burnisher. Thetwo erasers and burnisher are inserted in these sockets and held inposition therein, preferably by means of glue, cement, or other adhesivesubstance, and the pencil-eraser is made of rubber, as such erasers areusually made.

The ink-eraser is made of cast-steel, with its outer curvedabrading-face portion cut fine after the fashion of a file. Theburnisher b is made of smooth bone or any other suitable hard materialadapted to smooth and harden the surface of the paper when rubbed overthe surface of the same after the abrasion incident to the erasure ofink or pencillnarks by means of Ct or c.

d indicates a hexagon shaped knife for sharpening pencils, a detailedexplanation of which is hereinafter given.

e indicates the screw which holds the knife d in place.

a u u represent a series of bars or stops secured in'position on thebase-plate 'r on the side opposite the hexagon cutting-blade d, whichbars are adapted to serve as a convenient means for limiting the thrustof said knife-blade in cutting the pencil and to hold the pencil at theproper angle with relation to the device to form the correct bevel atthe point in sharpening. It willbe apparent that instead of using threeseparate bars u a single plate of the proper shape may be secured to thebase-plate and perform the same function.

The shape of the socket which holds the ink-eraser, the pencil-eraser,and the burnisher is shown at 1' in Figs- 1, 2, and 3 and issubstantially oblong, with its general line in the arc of a circlestruck from the center of the base-plate. sindicates the bevel where theknife fits in the face of said base-plate. 0 indicates the flat surfaceupon which the knife rests. u indicates the gage bars, attached betweenthe opening of the radial arms hereinbefore described. 8 indicates thebevel into which the knife (1 is fitted on said base-plate at the innerends of the radial arms. 6 indicates the screw hole for the screw 6,which holds the knife in place on the base-plate r. d indicates thesurface, edge, and'back View of the hexagon-shaped knife, Whichisprovided with six cutting-faces and which is readily shifted in positionon the base-plate upon releasing the securing-screw, so as to presentthree fresh cutting edges when the exposed edges have become dulled byuse in sharpening pencils. t indicates the hole through which the screwis inserted to hold the knife onto the base-plate. 11' indicates thebevel or countersunk topof this hole, into which the screw-head is madeto fit. 7?. indicates the bevel edge on the back of the knife, whichfits snugly into the bevel s in the base-plate, as hereinbeforedescribed, and also forms the cutting edge of said knife.

Having described our invention, what we claim is-- l. A device of theclass described consisting of a base-plate, arms extending radiallytherefrom, a bu rnisher and abrading-sections secured at the free endsof said arms, a cutting-blade secured to the base-plate with cuttingedges exposed between said radial arms, and stops secured at theopposite side of the base-plate and extending across the openingsbetween said radial arms, all constructed and arranged substantially asdescribed.

2. In a device of theclass described a baseplate, radial arms integraltherewith terminating in abrading and smoothing surfaces in combinationwith a hexiform knife-blade connected at-its central portion by asecuring-screw to the central portion of said baseplate and providedwith multiple cutting faces adapted to be adj ustably secured inposition on said base-plate all substantially as described and shown.

3. A device of the class described consisting of a base-plate, radialarms extending therefrom, sockets at the ends of said outer arms,abrading and burnishing devices secured in said cups and a cutting-bladeremovably attached to said base-plate presenting cutting edges betweensaid several arms all combined substantially as described.

4. In a device of the character described, a baseplate, radial armsextending therefrom, a cutting-blade provided with multiplecutting-faces lying severally next said arms and between the same andadjustable thereon to present different sets of cutting edges for useall constructed and combined substantially as shown and described.

ALBERT I-I. CLARK. JOHN J. DYLER. Witnesses:

J. M. CHATTERSON, E. B. ANDERSON.

